Increases in the value of a product to each user, including existing users, as the total number of users rises are called:
A. information cascades.
B. network effects.
C. scale economies.
D. learning effects.
Answer: B
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Suppose over the next several years the productivity of firms producing electric cars improves dramatically. The advance in productivity leads to
A) a decrease in the supply of electric cars so that the supply curve shifts rightward. B) an increase in the supply electric cars so that the supply curve shifts rightward. C) an increase in the supply of electric cars so that the supply curve shifts leftward. D) a decrease in the supply of electric cars so that the supply curve shifts leftward. E) no change in the supply of electric cars, only a change in the quantity supplied of electric cars.
Refer to Figure 17-9. Fed Chairman Paul Volcker's response to the ________ of the late 1970s is depicted in the figure above as a movement from C to D to A
A) appreciation of the dollar B) deflation C) high inflation D) high unemployment
Under a managed float, if U.S. demand for British goods drops, which of the following actions would the Bank of England need to take in order to stop any movement in the dollar-pound exchange rate?
a. Buy British pounds for dollars in order to shift the demand curve for pounds leftward b. Sell British pounds for dollars in order to shift the supply curve for pounds leftward c. Sell British pounds for dollars in order to shift the supply curve for pounds rightward d. Buy British pounds for dollars in order to shift the demand curve for pounds rightward e. Do nothing, since purchasing power parity will correct the situation in the short run.
Ariana withdrew $400,000 out of her personal savings account and used it to start her new Internet cafe. The savings account pays 3 percent interest per year. During the first year of her business, Ariana sold 2,000 cups of coffee for $2.50 per cup and 4,000 hours of Internet time, also at $2.50 per hour. During the first year, the business made monetary outlays of $9,000 . You may assume that
there is no opportunity cost to Ariana's time. Ariana's accounting profit for the year was a. $-394,000. b. $-6,000. c. $6,000. d. $12,000.